X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fsc-offset.lisp;h=29c86365aca0ce5ba48d37bcc365e60d888e751f;hb=HEAD;hp=001367cb7620c9d776d7462d0c6f3f5bd024e08f;hpb=68fd2d2dd6f265669a8957accd8a33e62786a97e;p=sbcl.git

diff --git a/src/code/sc-offset.lisp b/src/code/sc-offset.lisp
index 001367c..29c8636 100644
--- a/src/code/sc-offset.lisp
+++ b/src/code/sc-offset.lisp
@@ -16,13 +16,16 @@
 ;;;; We represent the place where some value is stored with a SC-OFFSET,
 ;;;; which is the SC number and offset encoded as an integer.
 
-(defconstant-eqx sc-offset-scn-byte (byte 5 0) #'equalp)
-(defconstant-eqx sc-offset-offset-byte (byte 22 5) #'equalp)
+;;;; FIXME: this layout is hardcoded in some .S files,
+;;;; undefined_tramp in at least mips/ppc/sparc-assem.S uses it.
+;;;; Ideally, it shouldn't be hardcoded.
+(defconstant-eqx sc-offset-scn-byte (byte 6 0) #'equalp)
+(defconstant-eqx sc-offset-offset-byte (byte 21 6) #'equalp)
 (def!type sc-offset () '(unsigned-byte 27))
 
 (defmacro make-sc-offset (scn offset)
   `(dpb ,scn sc-offset-scn-byte
-	(dpb ,offset sc-offset-offset-byte 0)))
+        (dpb ,offset sc-offset-offset-byte 0)))
 
 (defmacro sc-offset-scn (sco) `(ldb sc-offset-scn-byte ,sco))
 (defmacro sc-offset-offset (sco) `(ldb sc-offset-offset-byte ,sco))